3 Suggested Answers

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Well there are only a few reasons i can think of that just might be the reason behind said buzzing.

1. It may be connected to another power source ( amplified or powered supply ) or incorrectly connected. It may also be too close to said power supply.Try letting the dog (sub) out on his leash a little Drag out the manual that came with the sub, and check the correct procedure for your type of setup. **People do read manuals still don't they ?**

2.The only other problem i have heard of is port noise in low registers.
Keep the the port area clean, as it may suck up dirt, or even worse,
small children!

3. However, if you're considering placing this subwoofer in a cabinet, I'd
recommend allowing ample breathing room for the heat sink. This can also be done by drilling smaller holes in the cabinet ( 8-12 mm holes - with the owners permission of course) but please do remember to keep the port area clean.

4. The product ie: Velodyne DPS-12 Subwoofer, came with a bad power supply, presuming it is new, check your warranty.
(not very likely - see also scenarios 1, 2 or 3.)

Anonymous

You could try disabling the auto-on feature or you could try a factory reset or firmware upgrade.

Swap the wires between subwoofers to see if its the wiring.

If its no longer under warranty you could try swapping the amp modules or the fuses, this will tell you if its a fuse or the amp or the driver... however by doing this you risk blowing up the second working amp or voiding warranty.

Last year I had an amp failure on my velodyne and it cost 250 for a 2007 replacement.

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Well there are only a few reasons i can think of that just might be the reason behind said buzzing.

1. It may be connected to another power source ( amplified or powered supply ) or incorrectly connected. It may also be too close to said power supply.Try letting the dog (sub) out on his leash a little Drag out the manual that came with the sub, and check the correct procedure for your type of setup. **People do read manuals still don't they ?**

2.The only other problem i have heard of is port noise in low registers.
Keep the the port area clean, as it may suck up dirt, or even worse,
small children!

3. However, if you're considering placing this subwoofer in a cabinet, I'd
recommend allowing ample breathing room for the heat sink. This can also be done by drilling smaller holes in the cabinet ( 8-12 mm holes - with the owners permission of course) but please do remember to keep the port area clean.

4. The product ie: Velodyne DPS-12 Subwoofer, came with a bad power supply, presuming it is new, check your warranty.
(not very likely - see also scenarios 1, 2 or 3.)

You could try disabling the auto-on feature or you could try a factory reset or firmware upgrade.

Swap the wires between subwoofers to see if its the wiring.

If its no longer under warranty you could try swapping the amp modules or the fuses, this will tell you if its a fuse or the amp or the driver... however by doing this you risk blowing up the second working amp or voiding warranty.

Last year I had an amp failure on my velodyne and it cost 250 for a 2007 replacement.